Switch for a power mechanism



FIG. 1 is a front elevational view of a switch for a power mechanism showing my new design;

FIG. 2 is a is a front perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a left side elevational view thereof. 

The ornamental design for a switch for a power mechanism, as shown and described. 